reverted 4077 because distinct on and groupby are not equivalent. Moreover distinct on is supported only by postgresql because potentially non-deterministic and should be discouraged. Thanks Alexander

VERSION

@@ -1 +1 @@
-Version 2.0.9 (2012-09-21 22:23:39) stable
+Version 2.0.9 (2012-09-21 22:29:49) stable

gluon/dal.py

@@ -1457,8 +1457,6 @@ class BaseAdapter(ConnectionPool):
         having = args_get('having', False)
         limitby = args_get('limitby', False)
         for_update = args_get('for_update', False)
-        if not distinct is True and not distinct is False and not groupby:
-            distinct, groupby = False, distinct
         if self.can_select_for_update is False and for_update is True:
             raise SyntaxError, 'invalid select attribute: for_update'
         if distinct is True: